Module Name: src
Committed By: matt
Date: Wed Mar 5 17:20:48 UTC 2014
Modified Files:
src/common/lib/libc/arch/arm/atomic: atomic_cas_64.S
Log Message:
apcs-gnu only passes one register on the stack.
ldrd always loads little endian (low address, low register).
To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.10 src/common/lib/libc/arch/arm/atomic/atomic_cas_64.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/common/lib/libc/arch/arm/atomic/atomic_cas_64.S
diff -u src/common/lib/libc/arch/arm/atomic/atomic_cas_64.S:1.9 src/common/lib/libc/arch/arm/atomic/atomic_cas_64.S:1.10
--- src/common/lib/libc/arch/arm/atomic/atomic_cas_64.S:1.9 Tue Mar 4 16:15:28 2014
+++ src/common/lib/libc/arch/arm/atomic/atomic_cas_64.S Wed Mar 5 17:20:48 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: atomic_cas_64.S,v 1.9 2014/03/04 16:15:28 matt Exp $ */
+/* $NetBSD: atomic_cas_64.S,v 1.10 2014/03/05 17:20:48 matt Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
@@ -41,13 +41,8 @@ ENTRY_NP(_atomic_cas_64)
#ifdef __ARM_EABI__
ldrd r4, r5, [sp, #16] /* fetch new value */
#else
-#if __ARMEB__
- ldr r5, [sp, #16] /* fetch new value */
- ldr r4, [sp, #20] /* fetch new value */
-#else
- ldr r4, [sp, #16] /* fetch new value */
- ldr r5, [sp, #20] /* fetch new value */
-#endif
+ ldr r5, [sp, #16] /* second word third argument */
+ mov r4, r3 /* first word third argument */
mov r3, r2 /* r2 will be overwritten by r1 which ... */
mov r2, r1 /* r1 will be overwritten by ldrexd */
#endif
